CVE-2018-1000101

CRITICAL 9.8CVE-2018-1000101 · Published 06/03/2018 · updated 17/06/2026

In short

CVE-2018-1000101 is a CRITICAL (CVSS 9.8) vulnerability affecting mingw-w64 (mingw-w64).
Chance of exploitation in the next 30 days (EPSS): 2.2%, higher than 82.9% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
mingw-w64 mingw-w64	`≤ 5.0.3`	No fix yet

Description

Mingw-w64 version 5.0.3 and earlier, 5.0.4, 6.0.0 and 7.0.0 contains an Improper Null Termination (CWE-170) vulnerability in mingw-w64-crt (libc)->(v)snprintf that can result in The bug may be used to corrupt subsequent string functions. This attack appear to be exploitable via Depending on the usage, worst case: network.

References

raw.githubusercontent.com/distributedweaknessfiling/cvelist/master/2018/1000xxx/CVE-2018-1000101.json
sourceforge.net/p/mingw-w64/bugs/709
sourceforge.net/p/mingw-w64/bugs/709 · Third Party Advisory
sourceforge.net/p/mingw-w64/mingw-w64/ci/v5.x/tree/mingw-w64-crt/stdio/snprintf.c · Patch
sourceforge.net/p/mingw-w64/mingw-w64/ci/v5.x/tree/mingw-w64-crt/stdio/vsnprintf.c · Patch

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